Display screen with a graphical user interface



FIG. 1 is a front view of a display screen with a graphical user interface showing one image of the new design; and,

FIG. 2 is a front view of the display screen with a graphical user interface showing a second image of the new design.

The appearance of the transitional image sequentially transitions between the images seen in FIGS. 1 and 2. The process or period in which one image transitions to another image forms no part of the claimed design.

The broken line showing of a display screen with a graphical user interface is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 